Re: Yahoo DMARC breakage

[Jim Popovitch <jimpop () gmail com>]

On Fri, Apr 25, 2014 at 12:12 PM, Jim Popovitch <jimpop () gmail com> wrote:
> On Fri, Apr 25, 2014 at 12:00 PM, Jim Popovitch <jimpop () gmail com> wrote:
> > Just a heads up to interested parties... Google seems to now be
> > bouncing where From: is another gmail account.  But it seems to be
> > inconsistent.  If you are reading this on a gmail account please let
> > me know.
> >
> > -Jim P.
>
> A few people have indicated to me that they are NOT seeing issues with
> GMail.  Just to be clear, what I am seeing a pattern of gmail users
> sending email to mailinglists and every outbound email to other gmail
> users logs this:
>
> Apr 24 18:19:20 svr5 postfix/smtp[32546]: BB2F73F2E3:
> to=<xxxxxxx () gmail com>,
> relay=gmail-smtp-in.l.google.com[74.125.201.109]:25, delay=27,
> delays=0/27/0.44/0.06, dsn=5.5.1, status=bounced (host
> gmail-smtp-in.l.google.com[74.125.201.109] said: 530-5.5.1
> Authentication Required. Learn more at 530 5.5.1
> http://support.google.com/mail/bin/answer.py?answer=14257
> hi8sm834730igb.8 - gsmtp (in reply to MAIL FROM command))
>
> It's as though Gmail wants a mailinglist to authenticate to send email
> to gmail recipients. :-)
>
> It's not persistent, it's just happened a few times in past 2 days,
> generally in the AM.

And it just happened again.  Can someone from Google please tell me
what to do when your inbound MX (port 25!) tells me to authenticate
mailinglist traffic to your clients.  Who's credentials should Mailman
use? lol.

Apr 25 22:22:23 svr5 postfix/smtp[1544]: 9CFA73F5BF:
to=<*********@icaro.com.br>,
relay=aspmx.l.google.com[74.125.201.109]:25, delay=167,
delays=0/167/0.51/0.06, dsn=5.5.1, status=bounced (host
aspmx.l.google.com[74.125.201.109] said: 530-5.5.1 Authentication
Required. Learn more at 530 5.5.1
http://support.google.com/mail/bin/answer.py?answer=14257
m1sm33010igx.13 - gsmtp (in reply to MAIL FROM command))

-Jim P.